Toronto Census Metropolitan Area has been catalogued as one of the biggest cities of Canada throughout History. While its spread has been notorious for everyone, the urban process involved in its sprawl has been more complex than society can visualize. In fact, several studies have showed that economic, environmental, social, and cultural aspects have been vital factors to understand this process. This paper will be divided into three sections. Firstly, a description of census data from 1961 to 2011 will show the rise of suburban areas and decline of population in City of Toronto. Secondly, an interpretation of the previous description together with knowledge of urban trends will demonstrate that suburbanization was the main cause for this
